Seems like the ImpliedQuantity lint check triggers a false positive when plural items are wrapped in CDATA.
For example, having these resources in the French strings.xml:
<resources>
<plurals name="test">
<item quantity="one">%d baguette</item>
<item quantity="other">%d baguettes</item>
</plurals>
</resources>
...passes the lint check, but this does not:
<resources>
<plurals name="test">
<item quantity="one"><![CDATA[%d <b>baguette</b>]]></item>
<item quantity="other">%d baguettes</item>
</plurals>
</resources>